Question

X+Y=20
X-Y=12
then
X*Y=?

Answer 1

Hey mate!!!

Here is your answer

⬇️⬇️⬇️⬇️⬇️

$x + y = 20 \\ x - y = 12 \\ adding \: both \: eq .\: we \: get \\ \\ 2x = 32 \\ x = 16 \\ \\ y = 4$

HOPE that it will help you ✌️ ✌️

✔️ ✔️ ✔️

Answer 2

x+y =20.........(i)

x-y=|2 .............(ii).

adding equation (i) and (ii)

we get

2x= 32

x=|6

now putting the value of x in equation (I) we get

x+y=20

|6 +y= 20

y = 20- |6

y = 4

so

x×y= |6 ×4 = 64